diff options
Diffstat (limited to 'absl/types/variant.h')
| -rw-r--r-- | absl/types/variant.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/absl/types/variant.h b/absl/types/variant.h index 776d19a1..ac93464b 100644 --- a/absl/types/variant.h +++ b/absl/types/variant.h @@ -604,7 +604,10 @@ class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> { // emplace() Functions - // Constructs a value of the given alternative type T within the variant. + // Constructs a value of the given alternative type T within the variant. The + // existing value of the variant is destroyed first (provided that + // `absl::valueless_by_exception()` is false). Requires that T is unambiguous + // in the variant. // // Example: // @@ -624,7 +627,9 @@ class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> { } // Constructs a value of the given alternative type T within the variant using - // an initializer list. + // an initializer list. The existing value of the variant is destroyed first + // (provided that `absl::valueless_by_exception()` is false). Requires that T + // is unambiguous in the variant. // // Example: // @@ -643,7 +648,7 @@ class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> { } // Destroys the current value of the variant (provided that - // `absl::valueless_by_exception()` is false, and constructs a new value at + // `absl::valueless_by_exception()` is false) and constructs a new value at // the given index. // // Example: @@ -662,7 +667,7 @@ class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> { } // Destroys the current value of the variant (provided that - // `absl::valueless_by_exception()` is false, and constructs a new value at + // `absl::valueless_by_exception()` is false) and constructs a new value at // the given index using an initializer list and the provided arguments. // // Example: |